fix: map live service status to export wording

src/BusProNet/XmlParser/AvailabilitiesParser.php

@@ -19,7 +19,7 @@ class AvailabilitiesParser extends AbstractParser
             ->each(function (Crawler $node) use (&$availabilities) {
                 $availability = new Availability();
                 $availability->serviceId = (int) $node->attr('id');
-                $availability->status = $node->attr('status');
+                $availability->status = $this->toServiceStatus($node->attr('status'));
                 $availability->available = (int) $node->attr('frei');
                 $availability->price = $this->stringToFloat($node->attr('preis'));